remove unused assert in thread pool
remove unused assert in thread pool

eric-haibin-lin/peloton-1,malin1993ml/peloton,AllisonWang/peloton,seojungmin/peloton,apavlo/peloton,vittvolt/peloton,PauloAmora/peloton,AllisonWang/peloton,AngLi-Leon/peloton,yingjunwu/peloton,yingjunwu/peloton,vittvolt/15721-peloton,jessesleeping/iso_peloton,wangziqi2016/peloton,ShuxinLin/peloton,apavlo/peloton,AllisonWang/peloton,ShuxinLin/peloton,haojin2/peloton,seojungmin/peloton,wangziqi2016/peloton,prashasthip/peloton,malin1993ml/peloton,prashasthip/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,jessesleeping/iso_peloton,apavlo/peloton,wangziqi2016/peloton,AllisonWang/peloton,yingjunwu/peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,phisiart/peloton-p3,malin1993ml/peloton,cmu-db/peloton,PauloAmora/peloton,eric-haibin-lin/peloton-1,vittvolt/peloton,prashasthip/peloton,haojin2/peloton,vittvolt/peloton,prashasthip/peloton,cmu-db/peloton,seojungmin/peloton,vittvolt/15721-peloton,vittvolt/15721-peloton,PauloAmora/peloton,jessesleeping/iso_peloton,vittvolt/15721-peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,AngLi-Leon/peloton,AngLi-Leon/peloton,AngLi-Leon/peloton,wangziqi2016/peloton,seojungmin/peloton,AllisonWang/peloton,malin1993ml/peloton,haojin2/peloton,phisiart/peloton-p3,cmu-db/peloton,phisiart/peloton-p3,jessesleeping/iso_peloton,apavlo/peloton,ShuxinLin/peloton,seojungmin/peloton,phisiart/peloton-p3,ShuxinLin/peloton,jessesleeping/iso_peloton,cmu-db/peloton,PauloAmora/peloton,malin1993ml/peloton,vittvolt/15721-peloton,haojin2/peloton,AllisonWang/peloton,eric-haibin-lin/peloton-1,vittvolt/15721-peloton,apavlo/peloton,PauloAmora/peloton,vittvolt/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,wangziqi2016/peloton,prashasthip/peloton,ShuxinLin/peloton,eric-haibin-lin/peloton-1,yingjunwu/peloton,wangziqi2016/peloton,phisiart/peloton-p3,AngLi-Leon/peloton,yingjunwu/peloton,apavlo/peloton,PauloAmora/peloton,yingjunwu/peloton,AngLi-Leon/peloton,haojin2/peloton,seojungmin/peloton,cmu-db/peloton,haojin2/peloton,ShuxinLin/peloton,cmu-db/peloton